Folding workout board



FIG. 1 is a perspective view of an ornamental design for a folding workout board;

FIG. 2 is a top view of the folding workout board;

FIG. 3 is a bottom view of the folding workout board;

FIG. 4 is a front side view of the folding workout board;

FIG. 5 is a back side view of the folding workout board;

FIG. 6 is a left side view of the folding workout board;

FIG. 7 is a right side view of the folding workout board; and,

FIG. 8 is a perspective view of the second embodiment of the folding workout board.

The broken lines and the appearance of any portion of the folding workout board between the break lines form no part of the claimed design. 

CLAIM The ornamental design for a folding workout board, as shown and described. 